摘要: xpace yspace 详见 SAS draw statement data cars; set sashelp.cars; cat1 = 'Improvemnt'; cat2 = 'Worsen'; if type = 'SUV' then typen = 1; else if type = ' 阅读全文
posted @ 2021-10-10 16:23 Iving 阅读(221) 评论(0) 推荐(0)